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Makita XRH08 18V X2 Brushless Rotary Hammer Review

The pool at my home had a major leak—losing around an inch of water per day. As I’m not well-versed in leak detection, I called up Aqua Res-Q who specializes in this kind of work. The guys at Aqua Res-Q showed up and located the problem after a few hours of fairly extensive troubleshooting. When it came time to start fixing the leak, they pulled out a corded Makita rotary hammer. Now, I’m no expert, but pools have water. Corded tools and water don’t mix. I wondered if the Makita XRH08 1-1/8 in. 18V X2 SDS-Plus rotary hammer could replace their corded Makita HR2811F—and let them work more safely in the process.

Makita XRH08 vs HR2811F
Both the Makita HR2811F and the Makita XRH08 come rated as 1-1/8 in. SDS-Plus rotary hammers. I’d rather use the latter around water, however.

The Pool Job

I quickly asked Nick from Aqua Res-Q if he wanted to help us review the Makita XRH08, the cordless version of his 1-1/8 in. SDS-Plus rotary hammer. He loved the idea and was excited to try it out on some swimming pool leak repair jobs. Two weeks later we got together and I handed off the tool, batteries, bits, and a dual-battery Rapid charger.

Any number of scenarios can cause a pool leak. I learned a lot hanging with Nick and his twin brother from Aqua Res-Q. On my pool, the pipes all checked out. The leak turned out to be within the two water returns at the bottom of the pool.

The solution? Hydraulic cement. Lots of it. Pros use hydraulic cement, among other things, in drainage. They put massive concrete pipes into the ground and use the cement to seal one pipe to the other.

After completely draining the poll, they used their Makita corded rotary hammer to chip completely around the return drains. Creating a circle roughly 3-4 inches larger in diameter than the plastic return itself, they poured in the hydraulic cement. It dries extremely quickly and it’s not porous so it holds or seals against water. The Makita XRH08 looked like it might have helped.

bottom drain cut out

The new concrete formed a waterproof seal around the plastic returns which stopped the leak. In my case, the size of the leak required quite a bit of cement and two rather large holes.

pool emptied return drains

Of course, I wanted to know how the cordless version of this tool would perform. However, with my job completed well before the Makita XRH08PT kit arrived, I needed to wait for another job.

Testing the Makita XRH08 1-1/8 in. 18V X2 SDS-Plus Rotary Hammer

I finally got my chance to see the Makita XRH08 in action a couple of weeks later. With pool leak detection you also frequently find yourself replacing pool tile. While you don’t typically find leaks under the tile itself, you do find leaks near the tile. They show up around and within light niches, skimmer baskets, and similar areas.

When you find a leak around a skimmer basket, you typically have to replace the tile surround. This often precedes a request from the homeowner to go ahead and replace all of the tiles on a pool. Such was the case at this job.

Aqua Res-Q brothers working pool
Nick and his brother are identical twins. I can imagine this causes great confusion at times for their clients…lol.

The guys at Aqua Res-Q took to the tile with both tools. It was a race from the stairs to see who could make it all the way around the perimeter. The Makita XRH08 dominated the race, chipping with a lot more authority and precision. However, that task wasn’t a sufficient test for a tool with its capabilities. For that, we’d need to interview the guys about using the tool when chipping through a lot more concrete.

demolition swimming pool tiles

2 More Weeks of Using the Makita XRH08 Rotary Hammer

Lots of opportunities exist for a rotary hammer when it comes to pool leak repair. When a skimmer leaks, you have to remove it from the top deck. Removing tile, like above, is a common theme. You need to break open the concrete pool floor to fix those drains (as in my case) or do the same in the wall to repair a light niche. You can even find yourself chipping out a series of return water supplies to repair those fittings if needed.

A cordless rotary hammer like the Makita XRH08 really proves helpful when dealing with scenarios where the pool doesn’t necessarily need to be emptied entirely.

The guys used the Makita XRH08 to cut a large square around a skimmer to replace it. In doing so, they used the Makita for roughly 35-40 minutes. Surprisingly for them, this only took the batteries down to around 2 bars. In some applications, and with another pair of batteries and a dual Rapid charger, you can pretty much use this tool all day long.

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